21. If n(G) = 20, n(H) = 30, n(GN H) = 5, find n(GU H) 22. If n(G) = 5, n(H) = 8, n(GN H) = 4, find n(GU H)

How is the number of vertices for a prism related to the name of the prism

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

Find the center of the circle that can be circumscribed about efg with e(4,4) f(4,2) g(8,2)